PKC zeta is a member of the protein kinase C (PKC) family play a key regulatory role in a variety of cellular functions including cell growth and differentiation, gene expression, hormone secretion and membrane function. PKCs were originally identified as serine/threonine protein kinases whose activity was dependent on calcium and phospholipids. Diacylglycerols (DAG) and tumor promoting phorbol esters bind to and activate PKC. PKCs can be subdivided into at least two major classes including conventional (c) PKC isoforms ( alpha, betaI, betaII and gamma) and novel (n) PKC isoforms ( delta, epsilon, zeta, eta and theta). Patterns of expression for each PKC isoform differ among tissues and PKC family member exhibit clear differences in their cofactor dependencies. For instance, the kinase activities of nPKC delta and epsilon are independent of Ca2+.
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Protein Aliases: atypical protein kinase C; kinase nPKC-zeta; KPCZ; nPKC-zeta; nPKC-zeta PRKCZ; protein kinase C zeta subspecies; Protein kinase C zeta type; protein kinase C, zeta
Gene Aliases: AI098070; aPKCzeta; C80388; nPKC-zeta; PKC-ZETA; PKC2; Pkcz; PRKCZ; R74924; zetaPKC
Molecular Function: annexin calcium-binding protein calmodulin intracellular calcium-sensing protein kinase non-receptor serine/threonine protein kinase protein kinase transfer/carrier protein transferase